Home / 806,494.26-1,112,953.32-443,910.36

Finding the Fourth Proportional to 806,494.26, 1,112,953.32 and 443,910.36

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Solution

The fourth proportional to 806,494.26, 1,112,953.32 and 443,910.36 is: 612,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,494.26 : 1,112,953.32 = 443,910.36 : x
  2. Step 2: Convert to fraction form
    806,494.26/1,112,953.32 = 443,910.36/x
  3. Step 3: Cross multiply
    806,494.26x = 1,112,953.32 × 443,910.36
  4. Step 4: Simplify right side
    806,494.26x = 494,051,508,944.40
  5. Step 5: Solve for x
    x = 494,051,508,944.40/806,494.26
  6. Step 6: Final answer
    x = 612,591.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.